From Rhizome Artbase

SusiClimate aka Populator calculates your computers current CO2-emission.
You can watch the average output of the climate killer CO2 for your computer, in order to perform your requestest tasks.
This polution depends among other factors on the workload and type of your processors.
See how programs and your behavior affect the CO2 pollution of the athmosphere.
Try It! and help us to save the world!